I'm sure I didn't solve the right way (never used a panel near the ceiling on the laser emitter area) my solution is a bit ninja but I can enter to the laser emitter area by the angled panel on the ceiling

@p0rtalmasterMe too! It's good! I think what ken.roberts is trying to say is that a fizzling laser cube (before 100% gone) will not redirect but rather block an incoming laser , thus solving a portion of this chamber. I say that trick needs a demonstration or training room. Even moreover, I don't know how I feel about this because any object that can be carried fizzles and can't be used, but this case shows usefullness for the last 1-2 seconds before it is gone.

How do I get both portals on the laser side while I am on the button side with the cube? I can visualize the lift solution but I can't seem to figure out how to get to it. I get stuck with the fizzler in my way.

It feels like a proper and well-functioning test, I just couldn't solve it. I managed to get to the point where I had the laser redirection cube, the laser pointed at the recepticle, I just could not figure out a way to step on the platform and only then engage the laser beam trigger.